ACTIVE

SEIDYS

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Financial year 2025 · closed on 31/12/2025

Net result

-176,2 k €

+12.0% YoY

Revenue

1,1 M €

+489.2% YoY

Equity

8,1 M €

-2.1% YoY

Workforce

1,0 ETP

0.0% YoY

What does SEIDYS do?

SEIDYS is a Public limited company incorporated in 2006. Its main activity is: Development of building projects. Its registered office is in Mons. It employs on average 1,0 ETP workers (FTE).

Legal situation

● Normal situation

BCE/KBO no. / VAT

BE 0882.117.901

Incorporation

26/06/2006

Legal form

Public limited company

Registered office

Rue de la Grosse Pomme 2
7000 Mons · WallonieSee on map

Contributed capital

7 500 000,00 €

Latest accounts

31/12/2025

Average workforce

1,0 ETP

Activities (NACE)

41101Development of building projects· main 68121Buying and selling of own real estate 68310Real estate agencies 68311Real estate agencies 70311Activities of head offices; management consultancy activities 41001Construction of buildings+4

Joint committees (2)

Signals

Solid equityLow riskGood liquidityHealthy social debtsHigh revenue

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Health score

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✦ Verdict · Analyst summary

Financials

Trend over 18 financial years

	2025		2024		2023		2022		2021		2020		2019		2018		2017		2016		2015		2014		2013		2011		2010		2009		2008		2007
Income statement
Revenue	1,1 M €	+489%	181,6 k €	-98.8%	15,5 M €	+149381%	10,4 k €	-39.1%	17,1 k €		–		290,5 k €	-88.8%	2,6 M €	-34.2%	4 M €	-42.0%	6,8 M €	+251%	1,9 M €	-56.0%	4,4 M €	+76.8%	2,5 M €	-60.3%	6,3 M €		–		–		–		–
EBITDA	-131,6 k €	+24.7%	-174,8 k €	-217%	148,8 k €	-84.2%	941,9 k €	+28.7%	732,1 k €	+75.7%	416,6 k €	+194%	-442,5 k €	-1435%	33,1 k €	-95.0%	668,8 k €	+171%	247 k €	-61.5%	641,5 k €	+58.9%	403,8 k €	+4.4%	386,7 k €	-57.4%	907,2 k €	+2223%	-42,7 k €	-160%	-16,5 k €	+86.8%	-124,7 k €	-411%	-24,4 k €
Operating result	-142,9 k €	+19.7%	-178,1 k €	-233%	133,8 k €	-85.5%	922,1 k €	+28.4%	717,9 k €	+77.8%	403,7 k €	+190%	-449,2 k €	-1141%	43,2 k €	-93.5%	666,1 k €	+173%	244,3 k €	-61.7%	638,3 k €	+58.0%	404 k €	+2.7%	393,3 k €	-57.4%	922,5 k €	+1423%	-69,7 k €	-258%	-19,5 k €	+84.4%	-125 k €	-412%	-24,4 k €
Net result	-176,2 k €	+12.0%	-200,2 k €	-368%	74,7 k €	-88.9%	672,8 k €	+26.9%	530,1 k €	+21.2%	437,5 k €	+196%	-457,7 k €	-1602%	30,5 k €	-93.0%	436,8 k €	+437%	81,3 k €	-77.3%	357,8 k €	+38.0%	259,3 k €	-6.2%	276,5 k €	-66.9%	836,1 k €	+544%	-188,4 k €	-193%	-64,2 k €	+54.2%	-140,3 k €	-239%	-41,4 k €
Balance sheet
Equity	8,1 M €	-2.1%	8,3 M €	-2.4%	8,5 M €	+0.5%	8,4 M €	+4.1%	8,1 M €	+3.3%	7,9 M €	+3.2%	7,6 M €	-5.7%	8,1 M €	+0.4%	8 M €	+3.1%	7,8 M €	+1.1%	7,7 M €	+4.9%	7,4 M €	+3.7%	7,1 M €	+79.1%	4 M €	+28.8%	3,1 M €	+11.7%	2,8 M €	-2.3%	2,8 M €	+166%	1,1 M €
Total assets	11 M €	+22.5%	9 M €	+1.2%	8,9 M €	-65.9%	26 M €	+33.4%	19,5 M €	+53.2%	12,7 M €	+64.7%	7,7 M €	-6.6%	8,3 M €	-3.0%	8,5 M €	-36.0%	13,3 M €	+20.4%	11,1 M €	+0.1%	11,1 M €	+31.9%	8,4 M €	+88.6%	4,4 M €	-49.3%	8,8 M €	+37.2%	6,4 M €	+119%	2,9 M €	+172%	1,1 M €
Cash	547,4 k €	+136%	232,3 k €	-87.4%	1,8 M €	-27.7%	2,6 M €	+79.4%	1,4 M €	+53.9%	924,3 k €	-56.7%	2,1 M €	-22.0%	2,7 M €	+103%	1,3 M €	+679%	172,8 k €	-86.4%	1,3 M €	-37.9%	2 M €	-0.3%	2,1 M €	+11688%	17,4 k €	-95.6%	394,5 k €	+448%	72 k €	-34.6%	110 k €	+988%	10,1 k €
Debts	2,8 M €	+327%	665,6 k €	+86.1%	357,7 k €	-97.9%	17,3 M €	+52.6%	11,3 M €	+134%	4,9 M €	+4464%	106,3 k €	+33.5%	79,7 k €	-82.2%	447,6 k €	-91.9%	5,5 M €	+64.9%	3,3 M €	-8.9%	3,7 M €	+192%	1,3 M €	+166%	473,2 k €	-91.7%	5,7 M €	+56.9%	3,6 M €	+4086%	86,5 k €	+1145%	6,9 k €
Other
Workforce	1,0 ETP	0.0%	1,0 ETP	-44.4%	1,8 ETP	-10.0%	2,0 ETP	+100%	1,0 ETP	0.0%	1,0 ETP	0.0%	1,0 ETP	0.0%	1,0 ETP		–		–		–		–		–		–		–		–		–		–

Estimate

Indicative valuation

As an indication, this company is worth

between 5 M€ and 10 M€

See the valuation

Governance

Board of directors

Seen on filing of 31/12/2025 · 3 active · 24 ended

Active mandates

Domenico LEONE

Managing director · since 11 juin 2025 · until 11 juin 2031

Active

Dominique JUNG

Director · since 11 juin 2025 · until 11 juin 2031

Active

MYLEO

Managing director · since 11 juin 2025 · until 11 juin 2031 · 0748.581.662

Represented by Romain LEONE

Active

Ended mandates

Domenico LEONE

Managing director · since 14 juin 2023 · until 13 juin 2029

Ended

Dominique JUNG

Director · since 14 juin 2023 · until 13 juin 2029

Ended

MYLEO

Managing director · since 14 juin 2023 · until 13 juin 2029 · 0748.581.662

Represented by Romain LEONE

Ended

MYLEO

Director · since 01 juillet 2020 · until 14 juin 2023 · 0748.581.662

Represented by Romain LEONE

Ended

At this address

Other companies at this address

Company	CBE no.
Group Sart de Bernier● Active	0428.067.532
Heleigi● Active	1016.216.738
Société de Gestion Industrielle● Active	0420.881.515

Annual accounts

Full financial information

	2025	2024	2023	2022	2021	2020
Type of account	Full model	Full model	Full model	Full model	Full model	Full model
Start of the financial year	01/01/2025	01/01/2024	01/01/2023	01/01/2022	01/01/2021	01/01/2020
Closing of the financial year	31/12/2025	31/12/2024	31/12/2023	31/12/2022	31/12/2021	31/12/2020
Length of the financial year	12 months	12 months	12 months	12 months	12 months	12 months
Filing date	11/07/2026	05/07/2025	15/06/2024	22/06/2023	20/06/2022	10/06/2021
General meeting	10/06/2026	11/06/2025	12/06/2024	14/06/2023	08/06/2022	09/06/2021
Currency of the financial year	EUR	EUR	EUR	EUR	EUR	EUR
NBB quality label	Satisfying controls	Satisfying controls	Satisfying controls	Satisfying controls	Satisfying controls	Satisfying controls

Ratios

Financial ratios

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Filings

Annual accounts filings

19 filings with the NBB

Model	Closing	General meeting	Filed	Language	Document
Full model	31/12/2025	10/06/2026	11/07/2026	French	PDF
Full model	31/12/2024	11/06/2025	05/07/2025	French	PDF
Full model	31/12/2023	12/06/2024	15/06/2024	French	PDF
Full model	31/12/2022	14/06/2023	22/06/2023	French	PDF
Full model	31/12/2021	08/06/2022	20/06/2022	French	PDF
Full model	31/12/2020	09/06/2021	10/06/2021	French	PDF
Full model	31/12/2019	10/06/2020	07/07/2020	French	PDF
Full model	31/12/2018	12/06/2019	18/06/2019	French	PDF
Full model	31/12/2017	13/06/2018	26/06/2018	French	PDF
Full model	31/12/2016	14/06/2017	28/07/2017	French	PDF
Full model	31/12/2015	08/06/2016	13/06/2016	French	PDF
Full model	31/12/2014	10/06/2015	25/07/2015	French	PDF
Full model	31/12/2013	11/06/2014	02/07/2014	French	PDF
Full model	31/12/2012	12/06/2013	08/07/2013	French	PDF
Full model	31/12/2011	13/06/2012	21/07/2012	French	PDF
Full model	31/12/2010	08/06/2011	11/07/2011	French	PDF
Full model	31/12/2009	09/06/2010	25/07/2010	French	PDF
Full model	31/12/2008	10/06/2009	25/07/2009	French	PDF
Full model	31/12/2007	11/06/2008	23/06/2008	French	PDF

Estimate

Indicative valuation

Order of magnitude

As an indication, this company is worth

between 5 M€ and 10 M€

The detail comes with the Business plan: low and high bounds, the valuation bridge for each financial year, transaction multiples by sector and size, group valuation and exports.

Discover the Business plan

Disclaimer

Indicative estimate based on public sector multiples and the filed annual accounts. It is neither a certified valuation nor financial or investment advice.

Governance

Board of directors

Seen on filing of 31/12/2025 · 3 active · 24 ended

Active mandates

Domenico LEONE

Managing director · since 11 juin 2025 · until 11 juin 2031

Active

Dominique JUNG

Director · since 11 juin 2025 · until 11 juin 2031

Active

MYLEO

Managing director · since 11 juin 2025 · until 11 juin 2031 · 0748.581.662

Represented by Romain LEONE

Active

Ended mandates

Domenico LEONE

Managing director · since 14 juin 2023 · until 13 juin 2029

Ended

Dominique JUNG

Director · since 14 juin 2023 · until 13 juin 2029

Ended

MYLEO

Managing director · since 14 juin 2023 · until 13 juin 2029 · 0748.581.662

Represented by Romain LEONE

Ended

MYLEO

Director · since 01 juillet 2020 · until 14 juin 2023 · 0748.581.662

Represented by Romain LEONE

Ended

Shareholders

Ownership and network

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Belgian Official Gazette

Belgian Official Gazette publications

Mandates08/07/2026
DEMISSIONS, NOMINATIONS
PDF
Mandates30/06/2025
DEMISSIONS, NOMINATIONS
PDF
Mandates23/11/2023
DEMISSIONS, NOMINATIONS
PDF
Mandates29/06/2023
DEMISSIONS, NOMINATIONS
PDF
Mandates17/06/2022
DEMISSIONS, NOMINATIONS
PDF
Mandates30/07/2020
STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, ) - OBJET - DEMISSIONS, NOMINATIONS
PDF
Mandates19/05/2020
DEMISSIONS, NOMINATIONS
PDF
Mandates03/07/2019
DEMISSIONS, NOMINATIONS
PDF

Source: Belgian Official Gazette

Competition

Similar companies

A company's peers, by sector and size, are included in the Business plan.

See the Business plan

2025
Annual accounts 2025-176,2 k €↑
2024
Annual accounts 2024-200,2 k €↓
2023
Annual accounts 202374,7 k €↓
2022
Annual accounts 2022672,8 k €↑
2021
Annual accounts 2021530,1 k €↑
2020
Annual accounts 2020437,5 k €↑
2019
Annual accounts 2019-457,7 k €↓
2018
Annual accounts 201830,5 k €↓
2017
Annual accounts 2017436,8 k €↑
2016
Annual accounts 201681,3 k €↓
2015
Annual accounts 2015357,8 k €↑
2014
Annual accounts 2014259,3 k €↓
2013
Annual accounts 2013276,5 k €↓
2011
Annual accounts 2011836,1 k €↑
2010
Annual accounts 2010-188,4 k €↓
2009
Annual accounts 2009-64,2 k €↑
2008
Annual accounts 2008-140,3 k €↓
2007
Annual accounts 2007-41,4 k €
26/06/2006
IncorporationPublic limited company

10/15	1 240 000	1 180 000	1 050 000
70	8 630 000	8 120 000	7 940 000
9904	412 000	388 000	301 000
17/49	2 970 000	3 140 000	3 380 000
9087	24,3	23,1	21,8

SEIDYS

Overview

What does SEIDYS do?

Trend over 18 financial years

Indicative valuation

Board of directors

Other companies at this address

Financials

Full financial information

Financial ratios

Annual accounts filings

Valuation

Indicative valuation

Directors & structure

Board of directors

Ownership and network

Publications

Belgian Official Gazette publications

Similar companies

Similar companies

Timeline